+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2020 SO) Classification: Apollo [NEO]          SPK-ID: 54054450 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 86 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03400037331392975 1.8983e-05   a 1.037129961710015 5.2064e-06 au q 1.001867155836813 1.4676e-05 au i .1408521133095469 3.7925e-05 deg node 105.7226228018136 0.03626 deg peri 331.6622588131801 0.054707 deg M 179.7872958199125 0.014826 deg tp 2458807.834170087135 (2019-Nov-20.33417009) 0.014437 TDB period 385.7875410624512 1.06 0.002905 7.953e-06 d yr n .9331561071375379 7.0266e-06 deg/d Q 1.072392767583217 5.3834e-06 au Additional Model Parameters  Parameter Value Uncertainty (1-sigma)  A1 [EST] 4.524092139931719E-9 2.613E-10 ALN [SET] 1. n/a NK [SET] 0. n/a NM [SET] 2. n/a R0 [SET] 1. n/a   Orbit Determination Parameters    # obs. used (total)      98      data-arc span      33 days      first obs. used      2020-12-15      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      3      norm. resid. RMS      .37878      source      ORB      producer      Otto Matic      solution date      2021-Jan-22 05:18:34   Additional Information  Earth MOID = .0162817 au   Jupiter MOID = 3.9313 au   T_jup = 5.909   Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 27.658   .33639 86 autocmod 2.8 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-27 15:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin